elements, compounds, mixtures

Which state of matter has a fixed volume but no fixed shape?

• Solid

• Liquid

• Gas

• Plasma

What type of change occurs when ice melts into water?

• Chemical change

• Nuclear change

• Physical change

• Biological change

What happens during a chemical change?

• The substance changes its state but retains its chemical composition.

• The substance's chemical composition changes, forming new substances.

• The substance is separated into its constituent elements by physical means.

• The substance's volume changes but its shape remains fixed.

What is a substance made of two or more different elements chemically bonded together?

• An element

• A compound

• A homogeneous mixture

• A heterogeneous mixture

Which type of mixture has its substances distributed evenly throughout, making every section look the same?

• Heterogeneous mixture

• Compound

• Homogeneous mixture

• Element